• at 3 weeks of age, before hair cell degeneration was apparent, examination of of the organ of Corti revealed that stereocilia of the inner hair cells displayed a milder disorganization compared to the outer hair cells

• at 3 weeks of age, before hair cell degeneration was apparent, examination of of the organ of Corti revealed that stereocilia of the inner hair cells displayed a milder disorganization compared to the outer hair cells